Week 13
2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2021 | 2022 | 2023 | 2024 | 2025
All | ACC | American Athletic Conference | Big 10 | Big 12 | Conference USA | Division I-A Independents | Mid-American Conference | MWC | Pac-12 | SEC | Sun Belt Conference
| Place | Team | Rating | Strength of Schedule | +/- | 
|---|---|---|---|---|
| 1. Ohio State (11 - 1) Schedule: 5.397 (11) | 8.198 8.198  | |||
| 2. Michigan St (11 - 1) Schedule: 5.671 (5) | 7.58 7.58  2 | |||
| 3. Iowa (12 - 0) Schedule: 5.213 (13) | 7.449 7.449  | |||
| 4. Michigan (9 - 3) Schedule: 5.561 (9) | 7.331 7.331  2 | |||
| 5. Wisconsin (9 - 3) Schedule: 5.046 (14) | 6.623 6.623  1 | |||
| 6. Northwestern (10 - 2) Schedule: 5.573 (7) | 6.569 6.569  1 | |||
| 7. Penn State (7 - 5) Schedule: 5.648 (6) | 6.011 6.011  | |||
| 8. Nebraska (5 - 7) Schedule: 5.567 (8) | 5.923 5.923  | |||
| 9. Indiana (6 - 6) Schedule: 5.56 (10) | 5.399 5.399  2 | |||
| 10. Illinois (5 - 7) Schedule: 5.724 (4) | 5.238 5.238  1 | |||
| 11. Minnesota (5 - 7) Schedule: 5.787 (3) | 5.204 5.204  1 | |||
| 12. Maryland (3 - 9) Schedule: 6.292 (1) | 4.797 4.797  | |||
| 13. Rutgers (4 - 8) Schedule: 5.33 (12) | 4.197 4.197  | |||
| 14. Purdue (2 - 10) Schedule: 5.883 (2) | 4.093 4.093  |